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Blockchain-Based Secure Voting System with Aadhaar and Biometric Verification Using Local Node Synchronization
Subject area: Science,Engineering and Technology · Area of research: Engineering
DOI: https://doi.org/10.64388/IREV9I10-1716378
Abstract
This paper proposes a Blockchain-Based Secure Voting System that integrates Aadhaar authentication, biometric verification, and local node synchronization to address fraud, duplicate voting, and poor connectivity challenges in India’s electoral process. Traditional Electronic Voting Machines rely solely on manual voter ID checks, making them vulnerable to impersonation and providing no digital audit trail. The proposed system authenticates each voter using their Aadhaar-linked fingerprint or iris scan, validates eligibility against the official electoral roll, and records votes as encrypted, cryptographically signed transactions on a local blockchain node. Votes are synced to the main blockchain ledger upon connectivity restoration, ensuring tamper-proof and transparent recording. Each voter receives an encrypted SMS with a unique transaction ID as verifiable proof of participation, significantly enhancing public trust in the electoral process.
Keywords
Blockchain Voting, Aadhaar Authentication, Biometric Verification, Local Node Synchronization, Tamper-Proof Recording, SMS Confirmation, Cryptographic Hashing, Voter Eligibility, Digital Election Security.
How to cite this paper
@article{1716378,
author = {R Jayasri, S Bharathraj, E Prakash, M V Samresh, A Manoj},
title = {Blockchain-Based Secure Voting System with Aadhaar and Biometric Verification Using Local Node Synchronization},
journal = {Iconic Research And Engineering Journals},
year = {2026},
volume = {9},
number = {10},
pages = {1720-1726},
issn = {2456-8880},
url = {https://www.irejournals.com/formatedpaper/1716378.pdf},
abstract = {This paper proposes a Blockchain-Based Secure Voting System that integrates Aadhaar authentication, biometric verification, and local node synchronization to address fraud, duplicate voting, and poor connectivity challenges in India’s electoral process. Traditional Electronic Voting Machines rely solely on manual voter ID checks, making them vulnerable to impersonation and providing no digital audit trail. The proposed system authenticates each voter using their Aadhaar-linked fingerprint or iris scan, validates eligibility against the official electoral roll, and records votes as encrypted, cryptographically signed transactions on a local blockchain node. Votes are synced to the main blockchain ledger upon connectivity restoration, ensuring tamper-proof and transparent recording. Each voter receives an encrypted SMS with a unique transaction ID as verifiable proof of participation, significantly enhancing public trust in the electoral process.},
keywords = {Blockchain Voting, Aadhaar Authentication, Biometric Verification, Local Node Synchronization, Tamper-Proof Recording, SMS Confirmation, Cryptographic Hashing, Voter Eligibility, Digital Election Security.},
month = {April},
doi = {https://doi.org/10.64388/IREV9I10-1716378}
}